2006-2009 Chevrolet Trailblazer Impala Engine Computer ECM ECU PCM OEM 12605843

2007-2009 Chevy Envoy Trailblazer GM Engine Control Module ECM OEM 12607096 *J

2007 GMC Envoy Engine Control Module ECU ECM 12613427 (stock #312)

2007-2008 Chevy Trailblazer PCM ECM Engine Computer Module OEM 12613427

2006 Chevy Impala HHR Engine Computer ECU ECM PCM 12603530 YNBH OEM

2007 Chevy Impala SS 5.3L ECM ECU 12605843

2006-10 Chevrolet Trailblazer Impala Engine Computer ECM ECU PCM 12618163

2006-10 Chevrolet Trailblazer Impala Engine Control Module ECM ECU 12618163 OEM